Egg Drop

Broad Question: What provides the best protection for an egg?

Specific Question: Which material provides the best protection for an egg when dropped from one foot up at a time, for five trials? (Pillow, water, ground and Styrofoam)


Independent Variable: Protection Material

Dependent Variable: Damage to Egg

Variables That Need To Be Controlled: Type of Egg and Height of Drop

Hypothesis: I predict that the pillow will provide the best protection for an egg, when all five trials for each material are averaged out. Next will come water, Styrofoam and then mulch.

Graph of Hypothesis:


Experimental Design:

I am going to conduct an experiment where I drop an egg, from different heights onto four different material to see which material protects the egg the best. The maximum height will be seven feet. My experiment will take place in my driveway, or on my lawn so that I won't create a huge mess inside of the house. There are no people who I need help from to complete my experiment, because I will be able to do everything easily by myself. For each material, I am going top do five trials, so that I will have enough data to make a reliable conclusion.
I will be using the same type of egg for each drop because I would like to get reliable data. The reason why I need the same type of egg is because one type of egg might have a harder shell than another. As I conduct my experiment, I will be recording my data on a printed out data table, so I don't have to go back and forth between my house and outside. I will also be taking pictures throughout my egg drop, using my digital camera, so that I can record the whole experiment. After I am done, I will email the pictures to my science teacher so that I can access them here at school and use them for my poster.


  • 12 Eggs
  • Pillow
  • Water (Bucket)
  • Styrofoam
  • Flat Area (Dirt/Mulch)
  • Measuring Tape/Meter Stick
  • Camera
  • Pen/Pencil
  • Clipboard
  • Blank Copy of Spreadsheet

Detailed Procedure:

  1. Collect all materials.
  2. Set up outside.
  3. Get pillow, and place on a flat surface, then measure one foot high, and drop the egg.
  4. Continue up one foot at a time until the egg white and yolk start to come out of the egg (even a little bit).
  5. Repeat for three trials (with three different eggs) to get the average breaking point for the egg on each material.
  6. Take pictures, while testing each different material, for poster board at school.
  7. Once the average breaking point is found, record the data for the pillow breaking height onto the printed out spreadsheet.
  8. Repeat steps 3-6 for water, ground and Styrofoam.

Data Table:

Background Research:

  • Gravity is a pulling force between two objects, in this case the egg and the material it is falling on.
  • Nylon or other stretchy materials will work as a 'trampoline' and protect the egg from cracking and breaking.
  • Foam, such as Styrofoam protects the egg from breaking because it will absorb the impact.
  • Minimizing the force that the egg experiences on impact will help it to stay intact.
  • Cereal also provides protection for the egg because it crushes and absorbs the force of the impact.


  • Woodford, Chris. Gravity. San Diego, Calif.: Blackbirch Press, 2004. Print.
  • "Egg Drop Project Ideas - How to Drop Eggs Without Breaking | ." Awesome Science Fair Project Ideas
  • "Egg Science Project." Cool Science Projects - We Deliver with Guides, Tips, and Examples.
  • "Egg Drop." Engineering and Technology Education



pillow.jpg water_bucket.jpg styrofoam.jpgground.jpg

seven_ft.jpg cracked_egg.jpg perfect_egg.jpg

splattered_egg.jpg final_product!.jpg<<<<< Didn't Waste Any Eggs! (Except Broken Ones)


The original purpose of my experiment was to find out which material would protect a falling egg (from various heights) the most. As soon as I would notice a crack in on of the eggs I would write down the height at which it broke and then continue on to find an average breaking point for all three trials. The results of my experiment were that the pillow protected the egg the most. Next came Styrofoam, the mulch and last was the water.